Walking type double-wheel road roller

Abstract

The walking type double-wheel road roller comprises an upper plate, a walking device is arranged on one side of the upper end of the upper plate, driving devices are arranged on the two sides of the front portion of the upper plate, fixing plates are fixedly connected to the four corners of the lower end of the upper plate, a first rotating rod is rotationally connected to the middles of the fixing plates at the front end and the rear end, and a cam is fixedly connected to the middle of the first rotating rod. An H-shaped fixing frame is arranged below the fixing plate, the fixing plate and the H-shaped fixing frame are connected through a first shock absorber, a rotating wheel in pushing connection with the cam is arranged in the middle of the upper portion of the H-shaped fixing frame, a third rotating rod is rotationally connected to the lower portion of the middle of the H-shaped fixing frame, and a pressing wheel is arranged in the middle of the third rotating rod. And the cam pushes the rotating wheel to compact asphalt and cement, the tamping force is large, the working efficiency is improved, steering can be facilitated, operation is easy, time and labor are saved, storage is convenient, damage is not prone to occurring, and transportation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of road rollers, in particular to a hand-held double-wheel road roller. Background Art

[0002] Road rollers belong to the category of road equipment in engineering machinery and are widely used in filling and compaction operations of large-scale engineering projects such as high-grade highways, railways, airport runways, dams, and stadiums. The roller uses the gravity of the machine itself to make the rolled layer permanently deformed and dense. It can roll sandy, semi-sticky, sticky soil, roadbed stabilized soil, asphalt concrete pavement layer, etc. It is suitable for various compaction operations. Walk-behind two-wheel rollers are mainly suitable for municipal road repairs and highway maintenance operations. They can also be used for compaction work in narrow areas such as highway roadsides, rural roads, pipeline trenches, construction sites, and community roads.

[0003] The utility model patent with publication number CN210827005U discloses a walk-behind double-wheel roller, including a roller body, the roller body including a roller, a display part and a controller, the roller including a body part and a handrail, the handrail is arranged at one end of the body part, the display part includes a display and a camera, the display is arranged on the handrail, the camera is arranged at one end of the body, and the controller is arranged on the side of the body. The device can greatly improve the front-end field of view of the walk-behind double-wheel roller when working, and the camera at the front end of the roller can be removed when not in use. The device has a simple structure, can effectively improve the field of view of construction personnel, and can effectively avoid accidents and losses.

[0004] The existing technology still has some problems: 1. The tamping force is insufficient, it is difficult to compact asphalt and cement, the flatness of the road surface cannot be guaranteed, the compaction effect is not good, repeated compaction operations are required, the construction efficiency is low, and the labor time is increased.

[0005] 2. The handrails of a walk-behind roller are generally long and cannot be folded. When not started, it is inconvenient to transport and place, and it is easy to be damaged. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a walk-behind double-wheel roller.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a hand-held double-wheel roller comprises an upper plate, a hand-held device is arranged on one side of the upper end of the upper plate, driving devices are arranged on both sides of the front of the upper plate, the four corners of the lower end of the upper plate are fixedly connected to a fixing plate, a rotating rod 1 is rotatably connected in the middle of the fixing plate at the front and rear ends, a cam is fixedly connected in the middle of the rotating rod 1, an H-shaped fixing frame is arranged below the fixing plate, the fixing plate and the H-shaped fixing frame are connected to each other by a shock absorber 1, a rotating wheel connected to the cam push is arranged in the middle of the upper part of the H-shaped fixing frame, the front and rear sides of the rotating wheel are rotatably connected to the fixing frame, the fixing frame is fixedly connected to the concave surface of the upper end of the H-shaped fixing frame, and the lower middle part of the H-shaped fixing frame is rotatably connected to the rotating A movable rod three is provided with a pressure wheel in the middle of the rotating rod three, the rear end of the rotating wheel one is fixedly connected with a bevel gear one, the rear end of the rotating rod three is fixedly connected with a bevel gear two, the rear end of the rear fixed plate is fixedly connected with a protrusion one, a lower end of the protrusion is provided with a bevel gear three, the bevel gear three is meshed with the bevel gear one, the rear end of the H-shaped fixing frame is fixedly connected with a protrusion two, a bevel gear four is provided at the lower end of the protrusion two, the bevel gear four is meshed with the bevel gear two, the protrusion one and the protrusion two are rotatably connected with a rotating rod two, the rotating rod two and the bevel gear three are fixedly connected, the rotating rod two and the bevel gear four are connected to each other by setting a limiting device, the front and rear sides in the middle of the lower end of the upper plate are fixedly connected with a support column one, and a universal wheel is provided at a lower end of the support column.

[0008] As an improvement, the driving device includes a motor, which is fixedly connected to the upper plate, and a pulley 1 is fixedly connected to the motor output shaft, a belt is arranged inside the pulley 1, a pulley 2 is arranged at the lower end of the belt, and the pulley 2 is fixedly connected to the front end of the rotating rod 1.

[0009] As an improvement, a storage box is fixedly connected to the rear portion of the top end of the upper plate.

[0010] As an improvement, the hand-held device includes a second support column, the lower end of which is rotatably connected to the upper plate, a handle is provided above the second support column, and the second support column and the handle are connected to each other via a second shock absorber.

[0011] As an improvement, a protrusion three is fixedly connected to the upper end of the upper plate, and a groove is opened in the protrusion three to match the support column two, the shock absorber two and the handle.

[0012] As an improvement, the limiting device includes a limiting groove, which is opened on the front and rear sides of the middle of the bevel gear four, and a limiting block fixedly connected to the lower end of the rotating rod two is arranged in the limiting groove.

[0013] As an improvement, the bevel gear four is connected to the protruding portion two bearings, and the up and down moving distance of the bevel gear four is less than the length of the limit block.

[0014] Compared with the prior art, the advantages of the utility model are: 1. Through the driving device, the cam pushes the rotating wheel to hammer the pressing wheel of the H-shaped fixed frame up and down, and hammers the ground reciprocatingly to compact the asphalt and cement, which has a better effect of hammering the road surface and improves work efficiency.

[0015] 2. When the roller is not running, the hand-held device can be placed in the groove, which is convenient for storage, not easy to damage, and easy to transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structure diagram of the utility model. Figure 1 ;

[0017] Figure 2 This is a three-dimensional structure diagram of the utility model. Figure 2 ;

[0018] Figure 3 This is a three-dimensional structure diagram of the utility model. Figure 3 ;

[0019] Figure 4 It is an enlarged schematic diagram of A of the utility model;

[0020] As shown in the figure: 1. Upper plate; 2. Support column 2; 3. Shock absorber 2; 4. Handle; 5. Protrusion 3; 6. Groove; 7. Storage box; 8. Driving device; 9. Motor; 10. Pulley 1; 11. Belt; 12. Pulley 2; 13. Fixed plate; 14. Rotating rod 1; 15. Cam; 16. Shock absorber 1; 17. H-shaped fixing frame; 18. Fixing frame; 19. Rotating wheel; 20. Pressure wheel; 21. Rotating rod 3; 22. Rotating rod 2; 23. Protrusion 1; 24. Bevel gear 3; 25. Bevel gear 1; 26. Bevel gear 4; 27. Bevel gear 2; 28. Support column 1; 29. ​​Universal wheel; 30. Protrusion 2; 31. Limiting groove; 32. Limiting block; 33. Handhold device; 34. Limiting device. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Combined with Figures 1 to 4A walk-behind double-wheel roller comprises an upper plate 1, a hand-held device 33 is arranged on one side of the upper plate 1, the hand-held device 33 comprises a support column 2, the lower end of the support column 2 is rotatably connected to the upper plate 1, a handle 4 is arranged above the support column 2, the support column 2 and the handle 4 are connected to each other by a shock absorber 23, a raised portion 3 5 is fixedly connected to the upper end of the upper plate 1, a groove 6 for matching the support column 2 2, the shock absorber 2 3 and the handle 4 is opened in the raised portion 3 5, which is convenient for storage and transportation and will not be easily damaged. The shock absorber 23 can protect the operator's arm and prevent injury from shock during long-term operation.

[0023] Then, in order to realize the reciprocating hammer compaction of the road surface, the utility model is provided with a hammer pressing device below the upper plate 1, and the hammer pressing device includes a fixed plate 13, the fixed plate 13 is fixedly connected to the four corners of the lower end of the upper plate 1, a rotating rod 14 is rotatably connected between the front and rear fixed plates 13, a cam 15 is fixedly connected to the middle of the rotating rod 14, an H-shaped fixing frame 17 is provided below the fixed plate 13, and the fixed plate 13 and the H-shaped fixing frame 17 are connected to each other by a shock absorber 16 A rotating wheel 19 connected to the cam 15 is arranged in the middle above the H-shaped fixing frame 17. The cam 15 is an eccentric cam, and two protrusions are arranged on the side away from the eccentricity. When it rotates to the protrusion, the rotating wheel 19 connected to the push pushes the H-shaped fixing frame 17 downwardly. After the push is completed, it is reset through the shock absorber 16. The front and rear sides of the rotating wheel 19 are rotatably connected to the fixing frame 18. The fixing frame 18 is fixedly connected to the concave surface of the upper end of the H-shaped fixing frame 17. The lower middle part of the H-shaped fixing frame 17 The rotating rod 3 21 is rotatably connected, and a pressure wheel 20 is arranged in the middle of the rotating rod 3 21. The pressure wheel 20 presses and compacts the asphalt and cement. The rear end of the rotating rod 14 is fixedly connected to a bevel gear 1 25, and the rear end of the rotating rod 3 21 is fixedly connected to a bevel gear 27. The rear end of the rear fixing plate 13 is fixedly connected to a protrusion 1 23, and a bevel gear 3 24 is arranged at the lower end of the protrusion 1 23. The bevel gear 3 24 and the bevel gear 1 25 are meshed. The rear end of the H-shaped fixing frame 17 is fixedly connected to a protrusion 2 30, and the protrusion A bevel gear four 26 is provided at the lower end of the second 30, and the bevel gear four 26 is meshed with the bevel gear two 27. A rotating rod two 22 is rotatably connected between the protrusion one 23 and the protrusion two 30. The rotating rod two 22 and the bevel gear three 24 are fixedly connected. The rotating rod two 22 and the bevel gear four 26 are connected to each other by setting a limiting device 34. Therefore, when the bevel gear four 26 moves up and down, it can still be driven by the rotating rod two 22 to rotate, thereby continuously meshing and driving the bevel gear two 27 to rotate.

[0024] Specifically, the limiting device 34 includes a limiting groove 31, which is opened on the front and rear sides of the middle of the bevel gear four 26. A limiting block 32 fixedly connected to the lower end of the rotating rod two 22 is arranged in the limiting groove 31. The bevel gear four 26 is connected to the protrusion two 30 bearing. The distance that the bevel gear four 26 moves up and down is less than the length of the limiting block 32, which prevents the limiting block 32 from escaping from the limiting groove 31 when the bevel gear four 26 moves up and down.

[0025] Next, in order to ensure the operation drive of the hammer pressing device, a driving device 8 is arranged on both sides of the front of the upper plate 1, and the driving device 8 includes a motor 9, which is fixedly connected to the upper plate 1, and a pulley 10 is fixedly connected to the output shaft of the motor 9, a belt 11 is arranged in the pulley 10, and a pulley 2 12 is arranged at the lower end of the belt 11, and the pulley 2 12 is fixedly connected to the front end of the rotating rod 14.

[0026] Finally, a storage box 7 is fixedly connected to the rear portion of the top of the upper plate 1, in which maintenance tools and other items can be stored. A support column 28 is fixedly connected to the front and rear sides of the middle of the lower end of the upper plate 1. A universal wheel 29 is provided at the lower end of the support column 28, through which the vehicle can move forward and turn.

[0027] The working principle of the utility model is as follows: first, when starting, the hand-held device 33 is taken out from the groove 6, and the motor 9 is started. The output shaft of the motor 9 drives the pulley 10 to rotate, and the pulley 2 12 is rotated by the belt 11. The pulley 2 12 drives the rotating rod 14 to rotate, and the cam 15 in the middle of the rotating rod 14 and the bevel gear 25 at the rear end also rotate accordingly. When the cam 15 rotates to the convex part, the H-shaped fixing frame 17 is pushed downward by pushing the rotating wheel 19 below, and the pressure wheel 20 can compact the road surface with a hammer. When the convex part of the cam 15 is pushed, the H-shaped fixing frame 17 is bounced upward by the pullback force of the shock absorber 16, and this cycle is repeated to oscillate and hammer the road surface to achieve compaction.

[0028] In order to ensure that the pressure wheel 20 rotates all the time during this process, the bevel gear 1 25 is meshed with the bevel gear 3 24, and the bevel gear 3 24 rotates with the bevel gear 1 25, so that the rotating rod 22 rotates, and the bevel gear 4 26 is rotated by the limit block 32 in the limit groove 31. Through the limit groove 31 and the limit block 32, when the H-shaped fixed frame 17 bounces upward, the rotating rod 22 can move up and down while rotating in the bevel gear 4 26. The distance that the bevel gear 4 26 moves up and down is less than the length of the limit block 32, so as to prevent the limit block 32 from disengaging from the limit groove 31 when the bevel gear 4 26 moves up and down. The bevel gear 4 26 is meshed with the bevel gear 2 27, and the bevel gear 2 27 rotates with the bevel gear 4 26, so that the pressure wheel 20 rotates, and moves forward and turns with the assistance of the universal wheel 29.

[0029] It should be noted here that the electrical components appearing in this article are all connected to the external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of the present disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A walk-behind double-wheel roller, comprising an upper plate (1), characterized in that: A hand-holding device (33) is provided on one side of the upper end of the upper plate (1), driving devices (8) are provided on both sides of the front of the upper plate (1), the four corners of the lower end of the upper plate (1) are fixedly connected to fixed plates (13), the middle of the fixed plates (13) at the front and rear ends are rotatably connected to a rotating rod (14), the middle of the rotating rod (14) is fixedly connected to a cam (15), an H-shaped fixing frame (17) is provided below the fixing plate (13), and a fixing plate (13) and the H-shaped fixing frame (17) are provided between the fixing plate (13) and the H-shaped fixing frame (17). The H-shaped fixing frame (17) is connected to each other by being provided with a shock absorber 1 (16); a rotating wheel (19) is provided in the middle of the upper part of the H-shaped fixing frame (17) and is pushed by the cam (15); the front and rear sides of the rotating wheel (19) are both rotatably connected to the fixing frame (18); the fixing frame (18) is fixedly connected to the concave surface of the upper end of the H-shaped fixing frame (17); a rotating rod 3 (21) is rotatably connected to the lower middle part of the H-shaped fixing frame (17); a pressing wheel (20) is provided in the middle of the rotating rod 3 (21); the rotating rod 1 ( 14) The rear end is fixedly connected to a bevel gear 1 (25), the rear end of the rotating rod 3 (21) is fixedly connected to a bevel gear 2 (27), the rear end of the rear fixing plate (13) is fixedly connected to a protrusion 1 (23), the lower end of the protrusion 1 (23) is provided with a bevel gear 3 (24), the bevel gear 3 (24) and the bevel gear 1 (25) are meshed, the rear end of the H-shaped fixing frame (17) is fixedly connected to a protrusion 2 (30), the lower end of the protrusion 2 (30) is provided with a bevel gear 4 (26), The bevel gear 4 (26) is meshed with the bevel gear 2 (27); a rotating rod 2 (22) is rotatably connected between the protrusion 1 (23) and the protrusion 2 (30); the rotating rod 2 (22) and the bevel gear 3 (24) are fixedly connected; the rotating rod 2 (22) and the bevel gear 4 (26) are connected to each other by providing a limiting device (34); the middle front and rear sides of the lower end of the upper plate (1) are fixedly connected to the support column 1 (28); and the lower end of the support column 1 (28) is provided with a universal wheel (29).

2. A walk-behind double-wheel roller according to claim 1, characterized in that: The driving device (8) comprises a motor (9), the motor (9) being fixedly connected to the upper plate (1), a pulley 1 (10) being fixedly connected to the output shaft of the motor (9), a belt (11) being arranged inside the pulley 1 (10), a pulley 2 (12) being arranged at the lower end of the belt (11), and the pulley 2 (12) being fixedly connected to the front end of the rotating rod 1 (14).

3. A walk-behind double-wheel roller according to claim 1, characterized in that: A storage box (7) is fixedly connected to the rear portion of the top end of the upper plate (1).

4. A walk-behind double-wheel roller according to claim 1, characterized in that: The hand-holding device (33) comprises a second support column (2), the lower end of the second support column (2) being rotatably connected to the upper plate (1), a handle (4) being arranged above the second support column (2), and the second support column (2) and the handle (4) being connected to each other via a second shock absorber (3).

5. A walk-behind double-wheel roller according to claim 4, characterized in that: The upper end of the upper plate (1) is fixedly connected to a third protrusion (5), and a groove (6) is formed in the third protrusion (5) to match the second support column (2), the second shock absorber (3) and the handle (4).

6. A walk-behind double-wheel roller according to claim 1, characterized in that: The limiting device (34) comprises a limiting groove (31), the limiting groove (31) being opened at the middle front and rear sides of the bevel gear four (26), and a limiting block (32) fixedly connected to the lower end of the rotating rod two (22) is arranged in the limiting groove (31).

7. A walk-behind double-wheel roller according to claim 6, characterized in that: The bevel gear four (26) is connected to the protrusion two (30) bearing, and the distance that the bevel gear four (26) moves up and down is less than the length of the limit block (32).

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